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HelpTest ID NF4FS Neurofascin-155 IgG4, Flow Cytometry, Serum
Specimen Required
Only orderable as part of a profile. For more information see:
-CIDP / Chronic Inflammatory Demyelinating Polyradiculoneuropathy/Nodopathy Evaluation, Serum
-DMNES / Peripheral Nervous System Demyelinating Neuropathy, Autoimmune Evaluation, Serum
Reporting Name
Neurofascin-155 IgG4, SSpecimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 28 days |
| Frozen | 28 days | |
| Ambient | 72 hours |
Report Available
5 to 8 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| NF4FS | Neurofascin-155 IgG4, S | 100845-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 614591 | Neurofascin-155 IgG4, S | 100845-7 |
Useful For
Evaluating patients with an underlying demyelinating neuropathy
Diagnosis of a neurofascin-155 IgG4 mediated neuropathy
Day(s) Performed
Monday, Friday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
86255
Specimen Minimum Volume
See Specimen Required
Reference Values
Only orderable as part of a profile. For more information see:
-CIDP / Chronic Inflammatory Demyelinating Polyradiculoneuropathy/Nodopathy Evaluation, Serum
-DMNES / Peripheral Nervous System Demyelinating Neuropathy, Autoimmune Evaluation, Serum
Negative
Method Name
Only orderable as part of a profile. For more information see:
-CIDP / Chronic Inflammatory Demyelinating Polyradiculoneuropathy/Nodopathy Evaluation, Serum
-DMNES / Peripheral Nervous System Demyelinating Neuropathy, Autoimmune Evaluation, Serum
Flow Cytometry (FCM)